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DOI | 10.1007/s12040-018-1041-1 |
Holocene environmental changes in Red River delta, Vietnam as inferred from the stable carbon isotopes and C/N ratios | |
Nguyen Tai Tue1,2; Dang Minh Quan2; Pham Thao Nguyen2; Luu Viet Dung2; Tran Dang Quy1,2; Mai Trong Nhuan1,2 | |
发表日期 | 2019 |
ISSN | 0253-4126 |
EISSN | 0973-774X |
卷号 | 128期号:1 |
英文摘要 | The present study applied stable carbon isotopes, C/N ratios, and sedimentological indicators to reconstruct environmental changes during Holocene and to test the hypothesis that delta C-13 and C/N ratios are accurate proxies of sea level change in the Red River delta (RRD), Vietnam. A 36 m long sediment core was mechanically drilled in the wave-dominated region of the RRD. The covariation of lithological characteristics, sediment grain-size distribution and geochemical proxies (LOI, TOC, C/N, delta C-13) suggested that the sediment core could be divided into six depositional environments, consisting of sub-and inter-tidal flats (formed before 8860 cal. year BP), shelf-prodelta, delta front slope (formed from 8860 to 2290 cal. year BP), delta front platform, tidal flat, and flood plain (from 2290 to 0 cal. year BP). Covariation of delta C-13 and C/N ratios in the sediment core allowed for tracing the origin of sedimentary organic carbon, which shifted from the dominance of mangroves and C3 plants at the suband inter-tidal flats to marine phytoplankton at the shelf-prodelta and delta front slope. The sedimentary sources of the delta front platform, tidal flat and flood plain were a mixture of phytoplankton and C3 plants, with the later source being dominant. |
WOS研究方向 | Geology ; Science & Technology - Other Topics |
来源期刊 | JOURNAL OF EARTH SYSTEM SCIENCE
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文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/93126 |
作者单位 | 1.VNU Univ Sci, Fac Geol, 334 Nguyen Trai St, Hanoi, Vietnam; 2.VNU Key Lab Geoenvironm & Climate Change Response, 334 Nguyen Trai St, Hanoi, Vietnam |
推荐引用方式 GB/T 7714 | Nguyen Tai Tue,Dang Minh Quan,Pham Thao Nguyen,et al. Holocene environmental changes in Red River delta, Vietnam as inferred from the stable carbon isotopes and C/N ratios[J],2019,128(1). |
APA | Nguyen Tai Tue,Dang Minh Quan,Pham Thao Nguyen,Luu Viet Dung,Tran Dang Quy,&Mai Trong Nhuan.(2019).Holocene environmental changes in Red River delta, Vietnam as inferred from the stable carbon isotopes and C/N ratios.JOURNAL OF EARTH SYSTEM SCIENCE,128(1). |
MLA | Nguyen Tai Tue,et al."Holocene environmental changes in Red River delta, Vietnam as inferred from the stable carbon isotopes and C/N ratios".JOURNAL OF EARTH SYSTEM SCIENCE 128.1(2019). |
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